if (navigator.appName == "Netscape") {
	document.write("<style type='text/css'>body {overflow-y:scroll;}<\/style>");
}
var userAgent = navigator.userAgent.toLowerCase();
var is_ie = (userAgent.indexOf('msie') != -1) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

/*
 function $() {
 var elements = new Array();
 for (var i = 0; i < arguments.length; i++) {
 var element = arguments[i];
 if (typeof element == 'string')
 element = document.getElementById(element);
 if (arguments.length == 1)
 return element;
 elements.push(element);
 }
 return elements;
 }
 */

function Scale(image, max_width, max_height) {
	var tempimage = new Image();
	tempimage.src = image.src;
	var tempwidth = tempimage.width;
	var tempheight = tempimage.height;
	if (tempwidth > max_width) {
		image.height = tempheight = Math.round(((max_width) / tempwidth) * tempheight);
		image.width = tempwidth = max_width;
	}

	if (max_height != 0 && tempheight > max_height)
	{
		image.width = Math.round(((max_height) / tempheight) * tempwidth);
		image.height = max_height;
	}
}

function check_avatar(image, langfolder) {
	var tempimage = new Image();
	tempimage.src = image.src;
	var displayheight = image.height;
	var tempwidth = tempimage.width;
	var tempheight = tempimage.height;
	if (tempwidth > 250 || tempheight > 250 || displayheight > 250) {
		image.src = 'pic/forum_pic/' + langfolder + '/avatartoobig.png';
	}
}

function Preview(image) {//修复冲突错误
	if (!is_ie || is_ie >= 7) {
		$('#lightbox').html("<a onclick=\"Return();\"><img src=\"" + image.src + "\" /></a>");
		$('#curtain').css({"display": "block"});
		$('#lightbox').css({"display": "block"});
	}
	else {
		window.open(image.src);
	}
}

function Previewurl(url) {//修复冲突错误
	if (!is_ie || is_ie >= 7) {
		$('#lightbox').html("<a onclick=\"Return();\"><img src=\"" + url + "\" /></a>");
		$('#curtain').css({"display": "block"});
		$('#lightbox').css({"display": "block"});
	}
	else {
		window.open(url);
	}
}

function findPosition(oElement) {
	if (typeof (oElement.offsetParent) != 'undefined') {
		for (var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent) {
			posX += oElement.offsetLeft;
			posY += oElement.offsetTop;
		}
		return [posX, posY];
	} else {
		return [oElement.x, oElement.y];
	}
}

function Return() {//修复冲突错误
	$('#lightbox').html("");
	$('#curtain').css({"display": "none"});
	$('#lightbox').css({"display": "none"});
}
